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57 lines
2.3 KiB
57 lines
2.3 KiB
//Attach this script to your GameObject. This GameObject doesn’t need to have a Collider component
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//Set the Layer Mask field in the Inspector to the layer you would like to see collisions in (set to Everything if you are unsure).
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//Create a second Gameobject for testing collisions. Make sure your GameObject has a Collider component (if it doesn’t, click on
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//the Add Component button in the GameObject’s Inspector, and go to Physics>Box Collider).
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//Place it so it is overlapping your other GameObject.
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//Press Play to see the console output the name of your second GameObject
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//This script uses the OverlapBox that creates an invisible Box Collider that detects multiple collisions with other colliders.
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//The OverlapBox in this case is the same size and position as the GameObject you attach it to (acting as a replacement for the BoxCollider component).
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using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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public class OverlapBoxExample : MonoBehaviour
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{
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bool m_Started;
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public LayerMask m_LayerMask;
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public Collider[] hitColliders;
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void Start()
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{
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//Use this to ensure that the Gizmos are being drawn when in Play Mode.
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m_Started = true;
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}
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void FixedUpdate()
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{
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MyCollisions();
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}
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void MyCollisions()
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{
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//Use the OverlapBox to detect if there are any other colliders within this box area.
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//Use the GameObject's centre, half the size (as a radius) and rotation. This creates an invisible box around your GameObject.
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hitColliders = Physics.OverlapBox(gameObject.transform.position, transform.localScale / 2, Quaternion.identity, m_LayerMask);
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int i = 0;
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//Check when there is a new collider coming into contact with the box
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while (i < hitColliders.Length)
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{
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//Output all of the collider names
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//Debug.Log("Hit : " + hitColliders[i].name + i);
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//Increase the number of Colliders in the array
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i++;
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}
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}
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//Draw the Box Overlap as a gizmo to show where it currently is testing. Click the Gizmos button to see this
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void OnDrawGizmos()
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{
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Gizmos.color = Color.red;
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//Check that it is being run in Play Mode, so it doesn't try to draw this in Editor mode
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if (m_Started)
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//Draw a cube where the OverlapBox is (positioned where your GameObject is as well as a size)
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Gizmos.DrawWireCube(transform.position, transform.localScale);
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}
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}
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